Sunlight falls in long rays through clear blue water toward a coral reef far below.

calm your waters

dive prep, simplified.

Gear, weighting, paperwork, the log.
Every logistic handled before you reach the water, so you arrive present and unhurried.

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descend
Sea nettles drift on their trailing tendrils through deep, near-black water.

The dive was never the stressful part.
The getting-ready was.

SCUBAzen was built by divers who love the water and merely tolerate the packing lists, the weighting math, and the forms. So we made the preparation part of the calm, not the cost of it. Set your trip once, and the details carry themselves forward.

dive trip !! edited 11:48 PM
  • mask + snorkel
  • reg (service?? call shop)
  • batteries for torch. buy new ones!!
  • wetsuit… the 5mm or the 3?
  • weights = 6 lbs? maybe 8
  • print insurance pdf
  • waiver. at the shop? email???
The system, as most of us know it.

the old way

Retire the note titled “dive stuff”

Most dive trips run on a homemade system: an old printout, a note on your phone, a good memory. It mostly works, until the torch batteries spend the trip back at the hotel. SCUBAzen keeps itself instead. Set the trip once, and the checklist, the weighting, and the rental list carry forward.

Nothing to rebuild on a hotel bed the night before.

how it works

One trip, start to surface

SCUBAzen works the way a trip does. Follow one from the first “where next?” to the moment it enters your log — each step handled before you reach it.

  1. months out

    AI travel planner

    Your logbook picks the next trip

    The planner reads where you’ve been — the reefs you returned to, the water you like warm, the animals you chase — and suggests places you haven’t dived yet that feel like you.

    Where next? read from your log
    • Socorro, Mexico big animals in big blue — like your Galápagos week, wilder
    • Wakatobi, Indonesia the reef walls you keep going back for, water at 29°
    drawn from 42 logged dives across 9 countries

  2. weeks out

    Trip planner

    The whole trip in one place

    Dates, boat, operator, what goes in the bag — held together as one plan instead of scattered across email, notes, and a good memory.

    Similan Islands 12–19 Feb
    • M/V Manta Queen · 7 nights aboard
    • 11 dives across 4 sites
    • operator briefed · nothing left to forward
    34 days to go

  3. days out

    Rental checklist

    The shop already has your list

    Sizes, certifications, insurance, and what you’re renting, gathered into one clean sheet and sent ahead — so the gear is racked and waiting when you walk in.

    Equipment rental one-page PDF
    BCD
    size M
    Wetsuit
    3 mm full
    Fins
    EU 42
    Certification
    AOW · attached
    Sent to Big Blue Divers, Khao Lak

  4. the night before

    Gear checklist

    Nothing left on the dock

    The checklist writes itself from the trip: warm water, boat dives, your own reg and computer. The night before turns into ten quiet minutes, not a scramble.

    Packing · Similan Islands 12 of 12 packed
    • mask, snorkel, fins
    • regulator — serviced in January
    • torch, with the spare batteries
    • 3 mm wetsuit — the 5 stays home
    • 6 lb of lead, from your last warm trip
    ticked over dinner, then bed

  5. when you surface

    Dive log

    Logged before your hair dries

    Depth, time, conditions, the animal you’ll be talking about for years — a few taps in the boat queue. And every entry teaches the planner a little more about where to send you next.

    Richelieu Rock dive no. 43

    24.6 m51 min29° water

    “Whale shark out of the blue. Everyone cheering through their regulators.”

    ↳ next year’s “where next?” just got smarter

the math, done for you

Arrive knowing your numbers

The two calculations divers second-guess most, worked out from the water ahead and what you carried last time.

Calm sea at dusk, the last of the sunset settling low across gentle water.

Weightbelt

How much lead you actually need, estimated from your own history rather than a guess at the surface. Get in balanced on the first dive instead of the third.

Sea nettles drift through cold, dark water, lit orange against the black.

Wetsuit

Three millimetres or five, shorty or full: the right exposure protection for the water temperature where you’re going, so you pack once and stay comfortable.

Everything above the waterline, handled

bag packed weights worked out rental list sent plan in your pocket

Below it, the dive is all yours

Your computer, your training, and your buddy take it from there. SCUBAzen keeps the rest close: certifications ready when the operator asks, your log waiting when you surface.

A diver rises slowly toward the sunlit surface through deep blue water.

It’s been a while?
The water remembers you.

First trip back, with a certification a few seasons old and a head full of nerves. SCUBAzen won’t refresh your skills. It settles everything around them instead, sorted at home before you fly, so there’s less to hold in your head at the dock.

Open blue water stretching toward soft light, calm and unbroken.

Your next dive is waiting.
Let the prep take care of itself.

A dive trip runs four figures. The app that gets you there ready is free. Set up your first trip in about five minutes.

Download SCUBAzen on the App Store Get SCUBAzen on Google Play